package com.sunk.springcloud.service;

import cn.hutool.core.util.IdUtil;
import com.netflix.hystrix.HystrixCommandProperties;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixProperty;
import org.springframework.cloud.client.circuitbreaker.CircuitBreaker;
import org.springframework.stereotype.Service;
import org.springframework.web.bind.annotation.PathVariable;

import java.util.concurrent.TimeUnit;

@Service
public class PaymentService {

    public String paymentInfo_OK(Integer id){
        return "线程池:"+Thread.currentThread().getName()+" paymentInfo_OK,id:"+id+"\t";
    }

    @HystrixCommand(fallbackMethod = "paymentInfo_TimeOutHandler",commandProperties = {
            @HystrixProperty(name="execution.isolation.thread.timeoutInMilliseconds",value = "3000")
    })
    public String paymentInfo_Timeout(Integer id){
        Integer timenumber=5;
        try {
            TimeUnit.SECONDS.sleep(timenumber);
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
        System.out.println(666);
        return "线程池:"+Thread.currentThread().getName()+" paymentInfo_OK,id:"+id+"\t" +"耗时"+timenumber+"秒" ;
    }

    public String paymentInfo_TimeOutHandler(Integer id){
        return "线程池:"+Thread.currentThread().getName()+" paymentInfo_TimeOutHandler,id:"+id+"\t";
    }

    //服务熔断
    @HystrixCommand(fallbackMethod = "paymentCircuitBreaker_fallback",commandProperties = {
            @HystrixProperty(name ="circuitBreaker.enabled",value = "true"),//是否开启断路器
            @HystrixProperty(name ="circuitBreaker.requestVolumeThreshold",value = "10"),//请求次数
            @HystrixProperty(name ="circuitBreaker.sleepWindowInMilliseconds",value = "10000"),//时间窗口
            @HystrixProperty(name ="circuitBreaker.errorThresholdPercentage",value = "60"),//失败率多少
    })
    public String paymentCircuitBreaker(@PathVariable("id")Integer id){
        if(id <0){
            throw new RuntimeException("**********id 不能负数");
        }
        String serialNumber= IdUtil.simpleUUID();
        return Thread.currentThread().getName()+"\t"+"调用成功，流水号:"+serialNumber;
    }

    public String paymentCircuitBreaker_fallback(@PathVariable("id")Integer id){
        return "id不能负数,请稍后在试:"+id;
    }

}


